package cn.cqk;

/**
 * @Author: cai qiankun
 * @Date: 2025-04-23 00:12:50
 * @Description: 开闭原则
 */
public interface ICalculationArea {
    //长方形
    double rectangle(double x,double y);


    //三角形
    double triangle(double x,double y,double z);


    //圆形
    double circular(double r);

}
